3M Marine Adhesive Sealant, 3 fl oz

A one component, high strength, moisture curing, gap filling polyurethane for permanent bonding of wood, gelcoat and fiberglass. Permanent bonding – above and below the waterline Industry standard for over 50 years Offers extended working time Achieves handling strength in 48 hours Tough and flexible polyurethane polymer forms strong bonds Capable of retaining strong bonds during vibration, swelling, shrinking or shock